import { PrismaClient } from '@prisma/client';

const prisma = new PrismaClient();

export class TableService {
  async getByPub(pubId: number) {
    return prisma.table.findMany({
      where: { pubId },
      orderBy: { number: 'asc' },
    });
  }

  async getAvailability(pubId: number, date: string, time: string) {
    const tables = await prisma.table.findMany({
      where: { pubId },
      orderBy: { number: 'asc' },
    });

    const reservedTables = await prisma.reservation.findMany({
      where: {
        pubId,
        date: new Date(date),
        time: new Date(`1970-01-01T${time}:00.000Z`),
        status: { in: ['PENDING', 'CONFIRMED'] },
      },
      select: { tableId: true },
    });

    const reservedIds = new Set(reservedTables.map(r => r.tableId));

    return tables.map(table => ({
      ...table,
      isAvailable: !reservedIds.has(table.id),
    }));
  }
}